Minecraft skins from novaskin editor with hash 8104453d1e60a4b12fdaf0f33ec9cc3c2c2858f52c3589da4d2d05f4ca11fdc9

Sigma

A character with a black hat, red shield, and yellow shirt, holding a red cross with a white cross on it.

Sifma

A character with a black hat and a red "C" on their forehead, wearing a black suit and holding a red key.

A pixel art character wearing a black hat and a black jacket, holding a red key in their right hand.